migrated timetable integration from WebUntis to the MarianumConnect API, implementing a Dio-based client with bearer token authentication, background session validation, and auto-refresh logic.

2026-05-23 17:32:42 +02:00
parent 2858f910c9
commit 93b9929f8f
106 changed files with 2739 additions and 2624 deletions
@@ -0,0 +1,45 @@
+import 'package:flutter_secure_storage/flutter_secure_storage.dart';
+
+/// Persists the Marianum-Connect bearer token in the platform keystore. Kept
+/// separate from `AccountData` because the username/password live on (Nextcloud
+/// + MHSL still need them) while the MC token is short-lived and per-endpoint.
+class MarianumConnectTokenStorage {
+  static const _tokenKey = 'mc_bearer_token';
+  static const _tokenIdKey = 'mc_token_id';
+  static const _expiresAtKey = 'mc_token_expires_at';
+
+  final FlutterSecureStorage _storage;
+
+  const MarianumConnectTokenStorage([
+    this._storage = const FlutterSecureStorage(),
+  ]);
+
+  Future<String?> readToken() => _storage.read(key: _tokenKey);
+
+  Future<String?> readTokenId() => _storage.read(key: _tokenIdKey);
+
+  Future<DateTime?> readExpiresAt() async {
+    final raw = await _storage.read(key: _expiresAtKey);
+    if (raw == null || raw.isEmpty) return null;
+    return DateTime.tryParse(raw);
+  }
+
+  Future<void> write({
+    required String token,
+    required String tokenId,
+    required DateTime? expiresAt,
+  }) async {
+    await _storage.write(key: _tokenKey, value: token);
+    await _storage.write(key: _tokenIdKey, value: tokenId);
+    await _storage.write(
+      key: _expiresAtKey,
+      value: expiresAt?.toIso8601String() ?? '',
+    );
+  }
+
+  Future<void> clear() async {
+    await _storage.delete(key: _tokenKey);
+    await _storage.delete(key: _tokenIdKey);
+    await _storage.delete(key: _expiresAtKey);
+  }
+}